Puzzle 533:
Puzzle 533:
O. Svirin (2415) - A. Krishilovsky (2150)
Russian Cup 8th Leg Smolensk RUS (2), 1997.06.15 Svirin - Krishilovsky, Smolensk 1997
Russian Cup 8th Leg Smolensk RUS (2), 1997.06.15 Svirin - Krishilovsky, Smolensk 1997